<template>
  <div>
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>参数列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡 试图区域 -->

    <!-- 先安装 echarts 运行依赖 -->
    <el-card>
      <!-- 2.   为 ECharts 准备一个定义了宽高的 DOM -->
      <div id="main" style="width: 600px;height:400px;"></div>
    </el-card>
  </div>
</template>

<script>
// 1 .导入 echarts 看官方最新项目引入文档
import * as echarts from 'echarts'
import _ from 'lodash'

export default {
  data() {
    return {options: {
          title: {
            text: '用户来源'
          },
          tooltip: {
            trigger: 'axis',
            axisPointer: {
              type: 'cross',
              label: {
                backgroundColor: '#E9EEF3'
              }
            }
          },
          grid: {
            left: '3%',
            right: '4%',
            bottom: '3%',
            containLabel: true
          },
          xAxis: [
            {
              boundaryGap: false
            }
          ],
          yAxis: [
            {
              type: 'value'
            }
          ]
        }}
  },
  created() {},
  //   mounted生民周期函数  此时页面上的元素已经被渲染完毕了
  async mounted() {
    // 3 基于准备好的dom，初始化echarts实例
    var myChart = echarts.init(document.getElementById('main'))

    const { data: res } = await this.$http.get('reports/type/1')
    if(res.meta.status !== 200){
        return this.$message.error('获取图失败')
    }
    
    console.log(res.meta.status);
    

    //    4  指定图表的配置项和数据
  /*   var option = {
      title: {
        text: 'ECharts 入门示例'
      },
      tooltip: {},
      legend: {
        data: ['销量']
      },
      xAxis: {
        data: ['衬衫', '羊毛衫', '雪纺衫', '裤子', '高跟鞋', '袜子']
      },
      yAxis: {},
      series: [
        {
          name: '销量',
          type: 'bar',
          data: [5, 20, 36, 10, 10, 20]
        }
      ]
    }  */
//lodash 下的 merge合并函数
    const result = _.merge(res.data,this.options)
    //   5 展示数据
    myChart.setOption(result)
  },
  methods: {}
}
</script>

<style>
</style>
